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日本钢管公司从70年代中期开始研究高炉用球团一烧结复合型块矿(HPS:Hybrid Pelletized Sinter),主要考虑下述二个因素:(1)球团矿和烧结矿各自生产工艺都存存一些问题,(2)将来使用的铁矿石趋向
Nippon Steel Pipe Co., Ltd. began to study the HPS (Hybrid Pelletized Sinter) blast furnace from the mid-1970s, mainly considering the following two factors: (1) pellets and sinter are stored in their respective production processes Some questions, (2) The trend of using iron ore in the future